我尝试使用 AES 128 算法加密文本并使用 PHP 服务器对其进行解密，问题是加密文本不正确，我正在使用网站（http://phpaes.com/index.php#encrypt）来测试正确的结果，因为服务器端的解密方法正确解密了网站结果。
我需要创建与网站结果完全相同的加密文本吗？任何人都可以帮助我。
我当前的加密代码返回此文本 (EfYqMP/MMIoTRfE5J7GvpbAhNSdiffLkS6ZCWUdTCfoUnUEl7INa9jdQErXClzx7) 除了最后 16 个字符外，它与网站结果完全相同！！！
我的加密代码：
public class AES4all {
public static Cipher getAESCBCEncryptor(byte[] keyBytes, byte[] IVBytes, String padding) throws Exception{
SecretKeySpec key = new SecretKeySpec(keyBytes, "AES");
IvParameterSpec ivSpec = new IvParameterSpec(IVBytes);
Cipher cipher = Cipher.getInstance("AES/CBC/"+padding);
cipher.init(Cipher.ENCRYPT_MODE, key, ivSpec);
return cipher;
}
public static Cipher getAESCBCDecryptor(byte[] keyBytes, byte[] IVBytes, String padding) throws Exception{
SecretKeySpec key = new SecretKeySpec(keyBytes, "AES");
IvParameterSpec ivSpec = new IvParameterSpec(IVBytes);
Cipher cipher = Cipher.getInstance("AES/CBC/"+padding);
cipher.init(Cipher.DECRYPT_MODE, key, ivSpec);
return cipher;
}
public static Cipher getAESECBEncryptor(byte[] keyBytes, String padding) throws Exception{
SecretKeySpec key = new SecretKeySpec(keyBytes, "AES");
Cipher cipher = Cipher.getInstance("AES/ECB/"+padding);
cipher.init(Cipher.ENCRYPT_MODE, key);
return cipher;
}
public static Cipher getAESECBDecryptor(byte[] keyBytes, String padding) throws Exception{
SecretKeySpec key = new SecretKeySpec(keyBytes, "AES");
Cipher cipher = Cipher.getInstance("AES/ECB/"+padding);
cipher.init(Cipher.DECRYPT_MODE, key);
return cipher;
}
public static byte[] encrypt(Cipher cipher, byte[] dataBytes) throws Exception{
ByteArrayInputStream bIn = new ByteArrayInputStream(dataBytes);
CipherInputStream cIn = new CipherInputStream(bIn, cipher);
ByteArrayOutputStream bOut = new ByteArrayOutputStream();
int ch;
while ((ch = cIn.read()) >= 0) {
bOut.write(ch);
}
return bOut.toByteArray();
}
public static byte[] decrypt(Cipher cipher, byte[] dataBytes) throws Exception{
ByteArrayOutputStream bOut = new ByteArrayOutputStream();
CipherOutputStream cOut = new CipherOutputStream(bOut, cipher);
cOut.write(dataBytes);
cOut.close();
return bOut.toByteArray();
}
/**
* @param args
*/
public static byte[] demo1encrypt(byte[] keyBytes, byte[] ivBytes, String sPadding, byte[] messageBytes) throws Exception {
Cipher cipher = getAESCBCEncryptor(keyBytes, ivBytes, sPadding);
return encrypt(cipher, messageBytes);
}
public static byte[] demo1decrypt(byte[] keyBytes, byte[] ivBytes, String sPadding, byte[] encryptedMessageBytes) throws Exception {
Cipher decipher = getAESCBCDecryptor(keyBytes, ivBytes, sPadding);
return decrypt(decipher, encryptedMessageBytes);
}
public static byte[] demo2encrypt(byte[] keyBytes, String sPadding, byte[] messageBytes) throws Exception {
Cipher cipher = getAESECBEncryptor(keyBytes, sPadding);
return encrypt(cipher, messageBytes);
}
public static byte[] demo2decrypt(byte[] keyBytes, String sPadding, byte[] encryptedMessageBytes) throws Exception {
Cipher decipher = getAESECBDecryptor(keyBytes, sPadding);
return decrypt(decipher, encryptedMessageBytes);
}
public static void main(String[] args) throws Exception {
String sDemoMesage = "This is a demo message from Java!";
byte[] demoMesageBytes = sDemoMesage.getBytes();
//shared secret
byte[] demoKeyBytes = new byte[] { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f};
// Initialization Vector - usually a random data, stored along with the shared secret,
// or transmitted along with a message.
// Not all the ciphers require IV - we use IV in this particular sample
byte[] demoIVBytes = new byte[] { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f};
String sPadding = "ISO10126Padding"; //"ISO10126Padding", "PKCS5Padding"
System.out.println("Demo Key (base64): "+ new String(SimpleBase64Encoder.encode(demoKeyBytes)));
System.out.println("Demo IV (base64): "+ new String(SimpleBase64Encoder.encode(demoIVBytes)));
byte[] demo1EncryptedBytes = demo1encrypt(demoKeyBytes, demoIVBytes, sPadding, demoMesageBytes);
System.out.println("Demo1 encrypted (base64): "+ new String(SimpleBase64Encoder.encode(demo1EncryptedBytes)));
byte[] demo1DecryptedBytes = demo1decrypt(demoKeyBytes, demoIVBytes, sPadding, demo1EncryptedBytes);
System.out.println("Demo1 decrypted message : "+new String(demo1DecryptedBytes));
byte[] demo2EncryptedBytes = demo2encrypt(demoKeyBytes, sPadding, demoMesageBytes);
System.out.println("Demo2 encrypted (base64): "+ new String(SimpleBase64Encoder.encode(demo2EncryptedBytes)));
byte[] demo2DecryptedBytes = demo2decrypt(demoKeyBytes, sPadding, demo2EncryptedBytes);
System.out.println("Demo2 decrypted message : "+new String(demo2DecryptedBytes));
}
}
public class SimpleBase64Encoder {
// Mapping table from 6-bit nibbles to Base64 characters.
private static char[] map1 = new char[64];
static {
int i=0;
for (char c='A'; c<='Z'; c++) map1[i++] = c;
for (char c='a'; c<='z'; c++) map1[i++] = c;
for (char c='0'; c<='9'; c++) map1[i++] = c;
map1[i++] = '+'; map1[i++] = '/'; }
// Mapping table from Base64 characters to 6-bit nibbles.
private static byte[] map2 = new byte[128];
static {
for (int i=0; i<map2.length; i++) map2[i] = -1;
for (int i=0; i<64; i++) map2[map1[i]] = (byte)i; }
/**
* Encodes a string into Base64 format.
* No blanks or line breaks are inserted.
* @param s a String to be encoded.
* @return A String with the Base64 encoded data.
*/
public static String encodeString (String s) {
return new String(encode(s.getBytes())); }
/**
* Encodes a byte array into Base64 format.
* No blanks or line breaks are inserted.
* @param in an array containing the data bytes to be encoded.
* @return A character array with the Base64 encoded data.
*/
public static char[] encode (byte[] in) {
return encode(in,in.length); }
/**
* Encodes a byte array into Base64 format.
* No blanks or line breaks are inserted.
* @param in an array containing the data bytes to be encoded.
* @param iLen number of bytes to process in <code>in</code>.
* @return A character array with the Base64 encoded data.
*/
public static char[] encode (byte[] in, int iLen) {
int oDataLen = (iLen*4+2)/3; // output length without padding
int oLen = ((iLen+2)/3)*4; // output length including padding
char[] out = new char[oLen];
int ip = 0;
int op = 0;
while (ip < iLen) {
int i0 = in[ip++] & 0xff;
int i1 = ip < iLen ? in[ip++] & 0xff : 0;
int i2 = ip < iLen ? in[ip++] & 0xff : 0;
int o0 = i0 >>> 2;
int o1 = ((i0 & 3) << 4) | (i1 >>> 4);
int o2 = ((i1 & 0xf) << 2) | (i2 >>> 6);
int o3 = i2 & 0x3F;
out[op++] = map1[o0];
out[op++] = map1[o1];
out[op] = op < oDataLen ? map1[o2] : '='; op++;
out[op] = op < oDataLen ? map1[o3] : '='; op++; }
return out; }
/**
* Decodes a string from Base64 format.
* @param s a Base64 String to be decoded.
* @return A String containing the decoded data.
* @throws IllegalArgumentException if the input is not valid Base64 encoded data.
*/
public static String decodeString (String s) {
return new String(decode(s)); }
/**
* Decodes a byte array from Base64 format.
* @param s a Base64 String to be decoded.
* @return An array containing the decoded data bytes.
* @throws IllegalArgumentException if the input is not valid Base64 encoded data.
*/
public static byte[] decode (String s) {
return decode(s.toCharArray()); }
/**
* Decodes a byte array from Base64 format.
* No blanks or line breaks are allowed within the Base64 encoded data.
* @param in a character array containing the Base64 encoded data.
* @return An array containing the decoded data bytes.
* @throws IllegalArgumentException if the input is not valid Base64 encoded data.
*/
public static byte[] decode (char[] in) {
int iLen = in.length;
if (iLen%4 != 0) throw new IllegalArgumentException ("Length of Base64 encoded input string is not a multiple of 4.");
while (iLen > 0 && in[iLen-1] == '=') iLen--;
int oLen = (iLen*3) / 4;
byte[] out = new byte[oLen];
int ip = 0;
int op = 0;
while (ip < iLen) {
int i0 = in[ip++];
int i1 = in[ip++];
int i2 = ip < iLen ? in[ip++] : 'A';
int i3 = ip < iLen ? in[ip++] : 'A';
if (i0 > 127 || i1 > 127 || i2 > 127 || i3 > 127)
throw new IllegalArgumentException ("Illegal character in Base64 encoded data.");
int b0 = map2[i0];
int b1 = map2[i1];
int b2 = map2[i2];
int b3 = map2[i3];
if (b0 < 0 || b1 < 0 || b2 < 0 || b3 < 0)
throw new IllegalArgumentException ("Illegal character in Base64 encoded data.");
int o0 = ( b0 <<2) | (b1>>>4);
int o1 = ((b1 & 0xf)<<4) | (b2>>>2);
int o2 = ((b2 & 3)<<6) | b3;
out[op++] = (byte)o0;
if (op<oLen) out[op++] = (byte)o1;
if (op<oLen) out[op++] = (byte)o2; }
return out; }
private SimpleBase64Encoder() {}
} // end class SimpleBase64Encoder